A staff member carries seedlings for grafting at a seedling cultivation base in Tongnan District of Chongqing, southwest China, Feb. 18, 2020. Under measures taken to prevent and control the novel coronavirus epidemic, Tongnan District of Chongqing has pushed the seedling cultivation base back to work recently during the spring ploughing season to ensure the supply of seedlings for farmers of neighbouring counties. (Photo by Huang Wei/Xinhua)
